54538369 has 2 divisors, whose sum is σ = 54538370. Its totient is φ = 54538368.

The previous prime is 54538349. The next prime is 54538381. The reversal of 54538369 is 96383545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54538225 + 144 = 7385^2 + 12^2 .

It is a cyclic number.

It is not a de Polignac number, because 54538369 - 2¹⁵ = 54505601 is a prime.

It is a super-2 number, since 2×54538369² = 5948867386360322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54538349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27269184 + 27269185.

It is an arithmetic number, because the mean of its divisors is an integer number (27269185).

Almost surely, 2^54538369 is an apocalyptic number.

It is an amenable number.

54538369 is a deficient number, since it is larger than the sum of its proper divisors (1).

54538369 is an equidigital number, since it uses as much as digits as its factorization.

54538369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The square root of 54538369 is about 7385.0097494858. The cubic root of 54538369 is about 379.2282791531.

The spelling of 54538369 in words is "fifty-four million, five hundred thirty-eight thousand, three hundred sixty-nine".